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Intergroup comparison of the percentage decrease in VAS values (p > 0.05, Mann–Whitney U test).
| Intergroup Comparison (VAS) | z-Score | p-Value |
|---|---|---|
| Informative: B vitamins | 0.146 | 0.88 |
| Informative: probiotics | 0.921 | 0.357 |
| Informative: LLLT | 0 | 1 |
| B vitamins: probiotics | −0.499 | 0.617 |
| B vitamins: LLLT | 0.460 | 0.645 |
| Probiotics: LLLT | 1.001 | 0.317 |
